High Energy Accelerator Research Organization

output

19912026

most citedEvidence for oscillation of atmospheric neutrinos

5.1k citations

researchers with a paper here

Counting papers with at most 25 authors, so collaboration author lists do not stand in for the people here.

collaborating institutions

Showing hep-latShow all

532 papers · 1 filter

hep-lat2026

Accelerating iterative linear equation solver using modified domain-wall fermion matrix in lattice QCD simulations

Wei-Lun Chen, Issaku Kanamori, Hideo Matsufuru +1

Lattice simulations of Quantum Chromodynamics (QCD) enable one to calculate the low-energy properties of the strong interaction among quarks and gluons based on the first principle…

hep-lat2026

Mixed precision solvers with half-precision floating point numbers for Lattice QCD on A64FX processor

Issaku Kanamori, Hideo Matsufuru, Tatsumi Aoyama +4

We investigate the use of half-precision floating-point numbers (FP16) in mixed-precision linear solvers for lattice QCD simulations. Since the emergence of GPUs for general-purpos…

hep-lat2025★ 3 cited

Method for high-precision determination of the nucleon axial structure using lattice QCD: Removing $π N$ -state contamination

Yasumichi Aoki, Ken-Ichi Ishikawa, Yoshinobu Kuramashi +6

We performed a precise calculation of physical quantities related to the axial structure of the nucleon using 2+1 flavor lattice QCD gauge configuration (PACS10 configuration) gene…

hep-lat2025★ 1 cited

On the validity of the complex Langevin method near the deconfining phase transition in QCD at finite density

Shoichiro Tsutsui, Yuhma Asano, Yuta Ito +5

In our previous paper [JHEP 10 (2020) 144], we found that the complex Langevin (CL) method works for QCD at finite density on the $1 6^{3} \times 32$ lattice in the low-temperature hi…

hep-lat2025★ 2 cited

Symmetry of screening masses of mesons in two-flavor lattice QCD at high temperatures

Yasumichi Aoki, Hidenori Fukaya, Shoji Hashimoto +5

We investigate spatial two-point correlation functions of mesonic operators in two-flavor lattice QCD at high temperatures. The simulated temperatures over the range $T \in [147, 3…

hep-lat2024★ 79 cited

FLAG Review 2024

Y. Aoki, T. Blum, S. Collins +28

We review lattice results related to pion, kaon, $D$ -meson, $B$ -meson, and nucleon physics with the aim of making them easily accessible to the nuclear and particle physics communi…

hep-lat2023★ 2 cited

Gauge-independent transition separating confinement and Higgs phases in lattice SU(2) gauge theory with a scalar field in the fundamental representation

Ryu Ikeda, Seikou Kato, Kei-Ichi Kondo +1

According to the preceding studies, the lattice SU(2) gauge-scalar model with a single scalar field in the fundamental representation of the gauge group has a single confinement-Hi…

hep-lat2023★ 29 cited

$B \to D^{*} ℓ ν_{ℓ}$ semileptonic form factors from lattice QCD with Möbius domain-wall quarks

Y. Aoki, B. Colquhoun, H. Fukaya +5

We calculate the form factors for the $B \to D^{*} ℓ ν_{ℓ}$ decay in 2+1 flavor lattice QCD. For all quark flavors, we employ the Möbius domain-wall action, which preserves chiral…

hep-lat2023★ 27 cited

Approaches to inclusive semileptonic $B_{(s)}$ -meson decays from Lattice QCD

Alessandro Barone, Shoji Hashimoto, Andreas Jüttner +2

We address the nonperturbative calculation of the inclusive decay rate of semileptonic $B_{(s)}$ -meson decays from lattice QCD. Precise Standard-Model predictions are key ingredien…

hep-lat2023★ 1 cited

Thermodynamics with Möbius domain wall fermions near physical point II

Sinya Aoki, Hidenori Fukaya, Jishnu Goswami +4

We report on our finite temperature 2+1 flavor lattice QCD simulation to study the thermodynamic properties of QCD near the (pseudo) critical point employing $N_{T} = 12$ and $16$ . The…

hep-lat2023★ 3 cited

Bridge++ 2.0: Benchmark results on supercomputer Fugaku

Tatsumi Aoyama, Issaku Kanamori, Kazuyuki Kanaya +2

Bridge++ is a general-purpose code set for lattice QCD simulations aiming at a readable, extensible, and portable code while keeping practical high performance. The new version 2.0…

hep-lat2023

The dynamics of zero modes in lattice gauge theory -- difference between SU(2) and SU(3) in 4D

Yuhma Asano, Jun Nishimura

The dynamics of zero modes in gauge theory is highly nontrivial due to its nonperturbative nature even in the case where the other modes can be treated perturbatively. One of the r…

hep-lat2023★ 5 cited

Color superconductivity on the lattice -- analytic predictions from QCD in a small box

Takeru Yokota, Yuta Ito, Hideo Matsufuru +4

We investigate color superconductivity on the lattice using the gap equation for the Cooper pair condensate. The weak coupling analysis is justified by choosing the physical size o…

hep-lat2022

(Semi)leptonic kaon decays and neutral kaon mixing from lattice QCD

Takashi Kaneko

We review recent progress on leptonic and semileptonic kaon decays and neutral kaon mixing from lattice QCD.

hep-lat2022★ 13 cited

The investigations of the $P$ -wave $B_{s}$ states combining quark model and lattice QCD in the coupled channel framework

Zhi Yang, Guang-Juan Wang, Jia-Jun Wu +2

Combining the quark model, the quark-pair-creation mechanism and $B^{(*)} K ˉ$ interaction, we have investigated the near-threshold $P$ -wave $B_{s}$ states in the framework of the…

hep-lat2022★ 187 cited

Window observable for the hadronic vacuum polarization contribution to the muon $g - 2$ from lattice QCD

Marco Cè, Antoine Gérardin, Georg von Hippel +10

Euclidean time windows in the integral representation of the hadronic vacuum polarization contribution to the muon $g - 2$ serve to test the consistency of lattice calculations and m…

hep-lat2022★ 41 cited

Lattice QCD study of inclusive semileptonic decays of heavy mesons

Paolo Gambino, Shoji Hashimoto, Sandro Mächler +5

We present an ab initio study of inclusive semileptonic decays of heavy mesons from lattice QCD. Our approach is based on a recently proposed method, that allows one to address the…

hep-lat2022★ 39 cited

Form factors of $B \to π ℓ ν$ and a determination of $∣ V_{u b} ∣$ with Möbius domain-wall-fermions

Brian Colquhoun, Shoji Hashimoto, Takashi Kaneko +1

Using a fully relativistic lattice fermion action, we compute the form factors of the semileptonic decay $B \to π ℓ ν$ , which is required for the determination of the Cabibbo-Kobaya…

hep-lat2022★ 6 cited

$θ$ dependence of $T_{c}$ in 4d SU(3) Yang-Mills theory with histogram method and the Lee-Yang zeros in the large $N$ limit

Noriaki Otake, Norikazu Yamada

The phase diagram on the $θ$ - $T$ plane in four dimensional SU(3) Yang-Mills theory is explored. We revisit the $θ$ dependence of the deconfinement transition temperature, $T_{c} (θ)$ ,…

hep-lat2021★ 22 cited

Backpropagating Hybrid Monte Carlo algorithm for fast Lefschetz thimble calculations

Genki Fujisawa, Jun Nishimura, Katsuta Sakai +1

The Picard-Lefschetz theory has been attracting much attention as a tool to evaluate a multi-variable integral with a complex weight, which appears in various important problems in…

hep-lat2021★ 8 cited

Scope and convergence of the hopping parameter expansion in finite temperature QCD with heavy quarks around the critical point

Naoki Wakabayashi, Shinji Ejiri, Kazuyuki Kanaya +1

Hopping parameter expansion is a useful tool to investigate heavy dynamical quarks in lattice QCD, while the range of its applicability has been sometimes questioned. We study the…

hep-lat2021

$ℓ N$ inclusive scattering cross sections on the lattice

Jun-Sik Yoo, Shoji Hashimoto, Hiroshi Ohki

Utilizing the approach recently proposed for the $ℓ N$ inclusive scattering cross section on the lattice, we compute the differential scattering cross section for the charged cu…

hep-lat2021★ 7 cited

Object-oriented implementation of algebraic multi-grid solver for lattice QCD on SIMD architectures and GPU clusters

Issaku Kanamori, Ken-Ichi Ishikawa, Hideo Matsufuru

A portable implementation of elaborated algorithm is important to use variety of architectures in HPC applications. In this work we implement and benchmark an algebraic multi-grid…

hep-lat2021

Lattice Lindblad simulation

Tomoya Hayata, Yoshimasa Hidaka, Arata Yamamoto

We perform the real-time lattice simulation of an open quantum system, which is based on the Schwinger-Keldysh path integral representation of the Lindblad formalism. Although the…